EP0083694A3 - Control system for timing hammers of impact printers - Google Patents

Control system for timing hammers of impact printers Download PDF

Info

Publication number
EP0083694A3
EP0083694A3 EP82109510A EP82109510A EP0083694A3 EP 0083694 A3 EP0083694 A3 EP 0083694A3 EP 82109510 A EP82109510 A EP 82109510A EP 82109510 A EP82109510 A EP 82109510A EP 0083694 A3 EP0083694 A3 EP 0083694A3
Authority
EP
European Patent Office
Prior art keywords
hammers
timing
control system
impact printers
printers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82109510A
Other versions
EP0083694A2 (en
EP0083694B1 (en
Inventor
Douglas Allan Dayger
Michael David Hryck
Dean William Skinner
Gerald Ralph Westcott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0083694A2 publication Critical patent/EP0083694A2/en
Publication of EP0083694A3 publication Critical patent/EP0083694A3/en
Application granted granted Critical
Publication of EP0083694B1 publication Critical patent/EP0083694B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/46—Control for hammer-impression mechanisms for deciding or adjusting hammer-firing time
EP82109510A 1982-01-11 1982-10-14 Control system for timing hammers of impact printers Expired EP0083694B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US338709 1982-01-11
US06/338,709 US4440079A (en) 1982-01-11 1982-01-11 Control system for timing hammers of impact printers

Publications (3)

Publication Number Publication Date
EP0083694A2 EP0083694A2 (en) 1983-07-20
EP0083694A3 true EP0083694A3 (en) 1986-01-08
EP0083694B1 EP0083694B1 (en) 1989-04-12

Family

ID=23325834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109510A Expired EP0083694B1 (en) 1982-01-11 1982-10-14 Control system for timing hammers of impact printers

Country Status (7)

Country Link
US (1) US4440079A (en)
EP (1) EP0083694B1 (en)
JP (1) JPS58119883A (en)
BR (1) BR8300058A (en)
CA (1) CA1186782A (en)
DE (1) DE3279602D1 (en)
ES (1) ES518220A0 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198544A (en) * 1981-05-28 1982-12-06 Sony Corp Manufacture of magnetic recording medium
CA1217245A (en) * 1983-10-27 1987-01-27 Ali T. Mazumder Character spacing circuit for controlling print hammer firing
US4597328A (en) * 1984-11-30 1986-07-01 International Business Machines Corporation Print hammer flight time control system
US4806031A (en) * 1986-08-15 1989-02-21 Dataproducts Corporation Uniform print density and registration in an impact printer
US4743821A (en) * 1986-10-14 1988-05-10 International Business Machines Corporation Pulse-width-modulating feedback control of electromagnetic actuators
JPS63107576A (en) * 1986-10-23 1988-05-12 Brother Ind Ltd Serial printer
US4821639A (en) * 1987-08-12 1989-04-18 International Business Machines Corporation Control for enabling flight timing of hammers during printing
US5180235A (en) * 1987-09-22 1993-01-19 Canon Kabushiki Kaisha Impact printer with variable impact and rebound control
EP0395763B1 (en) * 1987-11-27 1995-07-19 Oki Electric Industry Company, Limited Wire dot impact printer
US4838157A (en) * 1988-03-25 1989-06-13 Ncr Corporation Digital printhead energy control system
US4852481A (en) * 1988-07-14 1989-08-01 L. James Hubbard Print hammer mechanism
US5196547A (en) * 1991-03-07 1993-03-23 G. D. Searle & Co. Meso-azacyclic amides of imidazopyridine carboxylic acids and analogs thereof
JP2738786B2 (en) * 1991-10-25 1998-04-08 沖電気工業株式会社 Drive device for wire dot head
DE4221273C2 (en) * 1992-06-26 1996-01-11 Mannesmann Ag Control device for printing needles of a matrix print head driving electromagnetic coils or for printing wire drivers
US5383399A (en) * 1993-09-27 1995-01-24 Ncr Corporation Zero hammer adjustment drum printer control technique
JP2001322300A (en) * 2000-05-17 2001-11-20 Nec Data Terminal Ltd Dot line printer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2249538A5 (en) * 1973-10-24 1975-05-23 Honeywell Bull Soc Ind Printing machine hammer energy control - has adjustable time delay between hammers and impulse generator
EP0026387A1 (en) * 1979-10-01 1981-04-08 International Business Machines Corporation Method of operating an impact printer having hammer flight time and velocity sensing means
DE3100189A1 (en) * 1980-01-12 1981-11-19 Hitachi Koki Co., Ltd., Tokyo METHOD AND SWITCHING ARRANGEMENT FOR CONTROLLING THE PRINTING TIME IN A PRINTING DEVICE

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183830A (en) * 1960-12-27 1965-05-18 Rca Corp Print registration control means in high speed printers
NL136900C (en) * 1963-03-28 Ibm
FR2205003A5 (en) * 1972-10-26 1974-05-24 Honeywell Bull Soc Ind
US4027761A (en) * 1975-10-21 1977-06-07 Ncr Corporation Matrix print head impact energy control
JPS5811574Y2 (en) * 1977-02-28 1983-03-04 安立電気株式会社 digital printer drive device
JPS5454529A (en) * 1977-10-08 1979-04-28 Hitachi Koki Kk Type digit number limiter for typewriter
NL177294C (en) * 1977-11-03 1985-09-02 Philips Nv PRESSER, EQUIPPED WITH A STROKE DEVICE WITH RECORDER.
US4189246A (en) * 1977-12-22 1980-02-19 International Business Machines Corporation Variable print-hammer control for on-the-fly-printing
US4262591A (en) * 1978-12-18 1981-04-21 Robert C. Cook Office label printer and dispenser
US4293888A (en) * 1979-06-25 1981-10-06 International Business Machines Corporation Print hammer drive circuit with compensation for voltage variation
US4280404A (en) * 1979-10-03 1981-07-28 Printronix, Inc. Printer having variable hammer release drive
US4286516A (en) * 1979-10-15 1981-09-01 Burroughs Corporation Electronic control for timing hammers in impact printers
JPS5694480A (en) * 1979-12-27 1981-07-30 Fujitsu Ltd Print timing correcting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2249538A5 (en) * 1973-10-24 1975-05-23 Honeywell Bull Soc Ind Printing machine hammer energy control - has adjustable time delay between hammers and impulse generator
EP0026387A1 (en) * 1979-10-01 1981-04-08 International Business Machines Corporation Method of operating an impact printer having hammer flight time and velocity sensing means
DE3100189A1 (en) * 1980-01-12 1981-11-19 Hitachi Koki Co., Ltd., Tokyo METHOD AND SWITCHING ARRANGEMENT FOR CONTROLLING THE PRINTING TIME IN A PRINTING DEVICE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XEROX DISCLOSURE JOURNAL, vol. 4, no. 2, March/April 1979, pages 157,158; D.R. DEETZ: "Variable hammer delay" *

Also Published As

Publication number Publication date
EP0083694A2 (en) 1983-07-20
ES8401379A1 (en) 1983-12-01
JPH0422705B2 (en) 1992-04-20
CA1186782A (en) 1985-05-07
BR8300058A (en) 1983-09-20
DE3279602D1 (en) 1989-05-18
US4440079A (en) 1984-04-03
EP0083694B1 (en) 1989-04-12
ES518220A0 (en) 1983-12-01
JPS58119883A (en) 1983-07-16

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